Rivet Analyses Reference

MC_MUONS

Monte Carlo validation observables for muon production
Experiment: ()
Status: VALIDATED
Authors:
  • Andy Buckley
No references listed
Beams: * *
Beam energies: ANY
    No run details listed

Any muons with $p_\perp > 0.5$ GeV are found and projected onto many different observables. To restrict attention to direct/prompt electrons only, use the DIRECT option. To use lepton dressing, use the DRESSED option; this only makes sense for prompt leptons, and is automatically activated if DIRECT=1 is used, hence the main use of DRESSED is to *disable* lepton dressing in DIRECT=1 mode.

Source code: MC_MUONS.cc
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// -*- C++ -*-
#include "Rivet/Analyses/MC_ParticleAnalysis.hh"
#include "Rivet/Projections/PromptFinalState.hh"
#include "Rivet/Projections/DressedLeptons.hh"

namespace Rivet {


  /// @brief MC validation analysis for muons
  class MC_MUONS : public MC_ParticleAnalysis {
  public:

    MC_MUONS()
      : MC_ParticleAnalysis("MC_MUONS", 2, "muon")
    {    }


    void init() {
      const bool direct = getOption<bool>("DIRECT", false);
      const bool dressed = getOption<bool>("DRESSED", direct);
      MSG_DEBUG("Direct-only: " << direct << ", dressed: " << dressed);
      FinalState muons(Cuts::abspid == PID::MUON);
      if (!direct) {
        declare(muons, "Muons");
      } else if (!dressed) {
        declare(PromptFinalState(muons), "Muons");
      } else {
        DressedLeptons dleps(FinalState(Cuts::abspid == PID::PHOTON), muons, 0.1);
        declare(dleps, "Muons");
      }

      MC_ParticleAnalysis::init();
    }


    void analyze(const Event& event) {
      const Particles mus = apply<ParticleFinder>(event, "Muons").particlesByPt(Cuts::pT > 0.5*GeV);
      MC_ParticleAnalysis::_analyze(event, mus);
    }


    void finalize() {
      MC_ParticleAnalysis::finalize();
    }

  };



  RIVET_DECLARE_PLUGIN(MC_MUONS);

}

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